K-4
India2024 - Present
The K-4 is India's intermediate-range submarine-launched ballistic missile deployed on Arihant-class nuclear submarines. With a 3,500 km range, it provides India's sea-based nuclear deterrent capability.
Primary Specifications
Range
3500 km
Regional strategic deterrent
Speed
Mach 15
Intermediate range velocity
Propulsion
2-Stage Solid
Two-stage solid propulsion
Weight
17000 kg
Arihant submarine compatible
Payload
2000 kg
Submarine-launched payload
Primary Guidance
RLG INS
Quick Summary
What it is?
A submarine-launched ballistic missile
Who uses it?
Indian Navy Strategic Forces
Role
Sea-based nuclear deterrent from Arihant-class SSBNs
What's different?
India's first long-range SLBM - 3,500 km range allows targeting of Chinese cities from Bay of Bengal
Why it matters?
Completes India's nuclear triad with a survivable sea-based deterrent against China.
Real-World Impact
1
China Deterrence
3,500 km range covers Beijing and major Chinese cities from Bay of Bengal
2
Hidden Platform
Launched from submerged submarines that cannot be tracked
3
Second Strike
Ensures India can retaliate even if land forces are destroyed
4
Nuclear Triad
Completes India's land-air-sea nuclear delivery capability
Additional Features
Secondary Systems
3D Maneuver Capability Underwater gas-generator ejection
Special
SLBM for Arihant Class Submarines
FAQs
1. What does 'K' stand for?
The K-series is named after former President APJ Abdul Kalam, who led India's missile development program.2. Which submarines carry K-4?
3. How far can it reach?
4. Is there a longer-range version?
5. When was it first tested?
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